37results about How to "Change tilt angle" patented technology

This utility model discloses an adjustable-height mixed feed mixing and feeding device, comprising: a feed hopper frame, a discharge port connected to the lower surface of the feed hopper frame, a feeding mechanism rotatably mounted at one end of the discharge port, the lower surface of the feeding mechanism being slidably mounted on the upper surface of a guide rail plate, and the guide rail plate being fixedly mounted at one end of the feed hopper frame. This application, through the design of the feeding mechanism, allows for height adjustment of the feeding trough, enabling it to flexibly adapt to the feeding height of cattle and sheep at different growth stages. Whether it is the lower height required by young cattle and sheep or the higher height suitable for adult cattle and sheep, it can accurately meet their needs, allowing cattle and sheep to feed in a comfortable posture, reducing feeding difficulties or physical injury caused by unsuitable height, and improving their feeding experience and enthusiasm.

The utility model relates to the technical field of pipeline dredging equipment, and discloses a sewage pipeline dredging device which comprises a blow-off pipeline, a fixed cylinder is arranged in the blow-off pipeline and arranged in the middle of the blow-off pipeline through a moving mechanism, and a washing mechanism is arranged in the middle of the fixed cylinder. The through groove is formed in the middle of the fixing cylinder, the lower middle portion of the supporting rod is rotationally connected to the left and right ends of the through groove, the middle of the roller is installed at the upper end of the supporting rod, and the left and right ends of the parallel rod are rotationally connected to the lower end of the supporting rod. According to the sewage pipeline dredging device, the parallel rod is pushed and pulled through the pull rod, so that the inclination angle of the supporting rod is changed, the sewage pipeline dredging device is further suitable for sewage pipelines of different sizes, a water pump is driven, water washes the impeller through conveying of a hose and a straight pipe and is sprayed out through a hole of the spray head, and the impeller drives the spray head to rotate; therefore, the sewage pipeline is dredged in all directions, and the dredging effect is improved.

This utility model discloses a special mold and bending machine for bending railway freight car pipe fittings. Specifically, it relates to a bending machine. The mold includes: a second bed pivotally connected to one side of a first bed, both the first and second beds having rotatably mounted load-bearing guide rollers; limiting guide rollers driven by a fixedly mounted drive motor and positioned between the two load-bearing guide rollers, with the height difference between the limiting guide rollers and the load-bearing guide rollers equal to the diameter of the pipe fitting; and a hydraulic telescopic module, the output end of which is rotatably connected to the end of the second bed. This utility model has a simple structure, is convenient and quick to operate, and can meet the needs of continuous bending operations of different shapes.

The utility model discloses a portable learning machine with an external support assembly, which belongs to the technical field of learning machines and comprises a learning machine body and a storage box, one side of the learning machine body is connected with the storage box, an outer ball is connected inside the storage box, and an inner ball joint is connected inside the outer ball. According to the learning machine, the outer ball is arranged in the storage box, the inner ball joint connected in the storage box can move in multiple directions in the using process, meanwhile, the inner ball joint can rotate and adjust the direction in the outer ball, the position adjusting rotating barrel at the tail end of the outer ball is supported on a table top, and meanwhile the cushion block is arranged at the lower end of the learning machine body. Meanwhile, by rotating the position adjusting rotary barrel, an internal thread in the position adjusting rotary barrel is separated from a thread of the threaded rod, so that the length of a combined body of the threaded rod and the position adjusting rotary barrel is increased, the inclination angle of the learning machine body is changed, and different use requirements are met.

The utility model discloses an electrochemical aluminum hot stamping foil coating quality on-line detection device, which relates to the technical field of winding equipment, is arranged on an electrochemical aluminum hot stamping foil coating production line and comprises a coating mechanism, a coating thickness and uniformity detection mechanism and a coating surface defect identification mechanism. The coating mechanism comprises a supporting wall plate, a base material guide roller, a coating roller and a drying box; the coating thickness and uniformity detection mechanism is sequentially provided with a front low-position guide roller, a front detection box, a horizontal high-position guide roller, a rear detection box and a rear low-position guide roller, and the coating thickness and uniformity are detected through laser; the coating surface defect recognition mechanism comprises a light source, an image acquisition device and a defect detection unit, and recognizes surface defects through image comparison. According to the device, multi-sensor data fusion and an intelligent algorithm are combined, upgrading from single-index detection to whole-process quality control is achieved, production problems can be fed back in real time, detection precision and efficiency are improved, and modern online detection requirements are met.

The application discloses an anti-dazzle down lamp, belonging to the technical field of lighting equipment, comprising a shell, a light effect propeller, a light shield, a first assembly, a first connecting piece, a light shield plate, a light source generator, a Fresnel lens, a second connecting piece, a driving piece, a second assembly, various sensors and a main controller. The shell provides support for the structure, the light effect propeller improves the light effect, the light shield and the adjustable angle light shield plate reduce glare, and the Fresnel lens optimizes light distribution. The ambient light, human infrared, multi-spectral light quality and human posture and line of sight tracking sensors capture multi-dimensional information, and the main controller controls the light color, intensity and light shield angle of the light source accordingly. The application realizes the balance of efficient anti-glare and light effect, can dynamically adapt to different scene requirements, improves the lighting comfort, and takes into account energy saving and functionality.

The utility model relates to fertilizer production technical field, and disclose a kind of mixed stirring device for fertilizer production, solve the problem that the mixing and stirring effect of current fertilizer is not good, it includes agitator tank, the bottom of agitator tank is fixedly connected with discharge hopper, agitator tank's outside near top is fixedly connected with feed pipe, agitator tank is equipped with stirring mechanism, stirring mechanism is equipped with adjusting mechanism on, stirring mechanism includes the receiving tray in the inside of agitator tank, the bottom of receiving tray is equally angular and equipped with multiple discharge ports, the inside of receiving tray is equally angular and fixedly connected with multiple baffle, the top of agitator tank is fixedly connected with L type board, and the inner top wall of L type board is fixedly connected with vertical frame;The utility model, through the cooperation between stirring motor and stirring shaft and support, it is convenient for receiving tray rotation to carry out uniform discharging, stirring blade can be rotated to fertilizer stirring simultaneously, to improve the mixing and stirring effect of fertilizer.

The utility model discloses a wall corner lamp of adjustable inclination angle, including lamp body and installation support, the lamp body includes casing and light source subassembly and control component, the lamp body is articulated between installation support, through the cooperation of first rotator, second rotator and elastic resistance structure, has realized the flexible adjustment of illumination inclination angle, and the user can according to actual demand, through the operation rotation connection component, in the rotation process, the arc convex surface on elastic lug and fixed recess mutually cooperate, provide certain resistance force, make the adjustment process more stable and accurate, conveniently change the inclination angle of lamp body, thereby adjust the illumination area and range of light, satisfy the diversified lighting scene demand, solved the problem that traditional wall corner lamp illumination angle is not adjustable, also improved the convenience of installation and maintenance, need not accurate calibration angle once in the installation, can be flexibly adjusted according to actual conditions after installation.

This utility model discloses a conveying device for processing Chinese medicinal materials, relating to the field of Chinese medicinal material processing technology. It includes a support section, a conveying section, and a circulation section. The support section allows for flexible adjustment of the conveying angle, enabling multi-process integration without additional equipment or manual labor. Rollers are installed at the bottom of the base plate for easy movement. The conveying section, mounted on a movable plate, includes a conveying cylinder with a feed hopper at one end and a discharge port at the other. An internal conveying shaft is connected to a conveying motor via a coupling. A detachable conveying side plate at the end facilitates maintenance. The circulation section surrounds the conveying cylinder and consists of a circulating water tank, a motor, and a circulation pipe. The circulation pipe is connected to the water tank at both ends. The motor drives an impeller to circulate cooling water, quickly removing frictional heat. A drain pipe with a solenoid valve is located at the bottom of the water tank. Filter screens are installed at both ends of the circulation pipe. The conveying cylinder and circulation pipe are made of copper to improve heat conduction and temperature control, ensuring the quality of the medicinal materials.

The invention discloses a multilayer tubular column corrosion detection morphology simulation device, which comprises an oil sleeve assembly, a sleeve hoisting assembly, a tester traction device and a control and data acquisition system, and is characterized in that the oil sleeve assembly is used for installing and fixing a tubular column to be tested; the casing hoisting assembly is used for hoisting the oil casing assembly and changing the inclination angle of the to-be-detected pipe column; the tester traction equipment is used for dragging a tester arranged in the to-be-tested tubular column; and the control and data acquisition system is used for controlling starting or stopping of the sleeve hoisting assembly and the tester traction equipment, and is also used for acquiring detection data of the tester. The corrosion detection work under different well deviation working conditions can be realized. According to the tester verification method, the device is adopted, corrosion detection can be performed on the standard sample tubular column under different working conditions, then the difference between detection data and standard data is compared, and then whether the precision of the verified tester meets the requirement or not can be effectively judged.

The utility model discloses a kind of automatic balancing machine feeding frame of cross-flow wind wheel, including rack, temporary storage platform and transfer device. Temporary storage platform is installed in rack, and multiple wind wheels are sequentially arranged on temporary storage platform along front-back direction, and the front end of temporary storage platform is provided with baffle, baffle is inclined upwards from back to front, and temporary storage platform is inclined downwards from back to front. Transfer device includes lifting component, translation component and lifting frame, lifting frame includes isolation plate and two symmetrical inclined plates arranged along front-back direction, and inclined plate is inclined from bottom to top to the direction away from another inclined plate. The upper end of inclined plate located at rear side is connected with the upper end of isolation plate, and isolation plate is vertically arranged. Translation component can drive lifting frame to move along front-back direction, and lifting component can drive translation component and lifting frame to move along up-down direction. Lifting frame can be moved upwards to hold the wind wheel located at the most front side of temporary storage platform, and make isolation plate be inserted upwards between the most front side wind wheel and its rear wind wheel.

The utility model discloses a kind of limestone crushing screening devices, its structure includes box, vibration screen is installed in the top of box inside corresponding place of hopper, two matching blocks are installed corresponding in the bottom left and right ends of vibration screen, the matching block of left side is sliding fit with vibration screen, the matching block of right side is fixedly connected with vibration screen, two matching blocks are connected with supporting mechanism and are hinged fit with supporting mechanism, the supporting mechanism of left end is fixedly connected with box left side, the installation position of the supporting mechanism of right end is adjustable in vertical direction, the vertical height of right end supporting mechanism is adjusted to change the right end height of vibration screen and further change the inclination angle of vibration screen, box left end is also profiled with side chamber, side chamber has feed inlet and discharge port between box, two crushing rollers are rotatably arranged in side chamber, side chamber is provided with first guide plate, and the other end of first guide plate extends into box through discharge port, conveying belt device is arranged through the bottom of box.

The utility model belongs to hardware polishing technical field, and disclose a hardware fittings processing burr grinding treatment device, aims at solving the burr polishing problem of non-fixed angle cast iron workpiece, and the device includes rigidity frame, polishing assembly and limited interval stepless adjustment assembly, the vertical structure board of frame bears driving wheel and driven wheel, driving wheel is driven by drive motor, forms the polishing area through the synchronous operation of driven wheel that polishing abrasive belt drives, the core lies in limited interval stepless adjustment assembly, driven wheel can move along the circular arc track with the axle center of driving wheel as the center, realizes stepless angle adjustment within the setting radian range, is fastened through bolt and arc fixed part after adjustment, and the sand belt inclination angle is adjusted according to workpiece angle when using, need not mechanical hand auxiliary just can be adapted to various non-fixed angle cast iron pipeline elbow and angle block, has the characteristics such as simple operation, high production efficiency, polishing quality stability, especially suitable for small batch multi -variety processing scene.

The utility model discloses a feeding device of a bottle blowing machine, which comprises a base, an inclined bottle blank slide way is fixedly mounted on the base, an outlet of the bottle blank slide way is connected with a blank separating mechanism, the blank separating mechanism comprises a blank separating block horizontally mounted on the base in a sliding manner, and a plurality of bottle blank clamping grooves are formed in the blank separating block. A bottle blank clamping groove of the blank separating block faces one side and is connected with an outlet of the bottle blank sliding way, the blank separating block is driven by a horizontal reciprocating driving device, an auxiliary limiting device and an auxiliary backup plate horizontally sliding on the limiting device are installed on the side, located on the blank separating block, of the base, and the auxiliary backup plate is driven by an auxiliary linear power device. The auxiliary backup plate leans against the bottle blanks in the bottle blank clamping grooves when approaching the blank separation blocks; a bottle blank clamping and overturning mechanism is installed on the base and located on the other side of the blank separating block, and a feeding blocking device used for blocking the bottle blanks, close to the outlet, of the bottle blank sliding way is further installed on the base. The feeding device is simpler in structure and can more accurately achieve feeding of the bottle blanks.

The utility model discloses a fireproof air pipe with high sealing performance, which relates to the technical field of fireproof air pipes and comprises a fireproof air pipe adjusting pipe, a sealing flange plate is fixedly connected to the top end of one side of the fireproof air pipe adjusting pipe, and a fireproof air pipe transmission pipe is fixedly mounted at the top end of one side of the sealing flange plate. Sealing flange plates are arranged on the two sides of the fireproof air pipe adjusting pipe. The angle of the rotating connecting shaft in the communicating pipe is adjusted through the rotating handle on the fireproof air pipe adjusting pipe, the rotating internal shaft is driven to rotate, and therefore the inclination angle of the flow adjusting disc is changed, accurate control over the flow in the fireproof air pipe adjusting pipe is achieved, and use flexibility is improved; the top ends of the two sides of the fireproof air pipe adjusting pipe are connected with the fireproof air pipe conveying pipe through sealing flange plates, sealing conveying on the two sides is achieved, the fireproof air pipe adjusting pipe and the fireproof air pipe conveying pipe are connected in a sealing mode through the sealing flange plates, and the stability of conveying and using in the fireproof air pipe adjusting pipe is guaranteed.

This invention discloses a pipe shrinking processing system and method, applied in the field of pipe processing technology. The pipe shrinking processing system includes: a shrinking machine with a shrinking processing cavity inside; a clamping mechanism with a clamping cavity inside; the clamping cavity includes a first cavity and a second cavity arranged sequentially along a first direction; a correction and propulsion mechanism for pushing the clamping mechanism to move and drive the pipe into the shrinking processing cavity; the correction and propulsion mechanism includes a correction limiting component with an adjustable tilt angle, the correction limiting component being adapted to the size of the second cavity, and the correction limiting component being able to be inserted into the second cavity to adjust the tilt angle of the second cavity. The pipe shrinking processing system provided by this invention can adjust the tilt angle of the pipe, ensuring the coaxiality of the pipe and the shrinking processing cavity, thereby improving the processing quality of the pipe, increasing the pass rate, and reducing the cost of pipe shrinking processing.

The invention relates to the technical field of bathing instruments, in particular to a novel intelligent temperature-adjusting massage bathtub which comprises a base, the upper end face of the base is fixedly connected with a bathtub body, and the lower position of the side wall of the bathtub body fixedly communicates with a plurality of water massage assemblies; the water massage assembly comprises a drainage cylinder fixedly communicated with the side wall of the bathtub body, and the inner wall of the drainage cylinder is fixedly connected with a water passing plate. Water flow can evenly push a human body and massage the human body, the massage effect is improved, meanwhile, the temperature of the water flow in the water inlet pipe can be increased in an auxiliary mode, the water temperature in the bathtub body is kept stable in the water circulation process, water can be evenly added into the bathtub body, the situation that the water adding area is too concentrated, and the water adding effect is affected is avoided. The uniformity of water temperature distribution in the bathtub body can be kept, the height of the backrest of the bathtub can be adjusted according to the requirements of a user, and the bathing comfort of the user is effectively improved.

The utility model discloses an intelligent flexible tracking type photovoltaic support. The photovoltaic support comprises a main body structure; the main body structure comprises a plurality of vertical columns, a main shaft and a photovoltaic panel, the vertical columns are sequentially arranged at equal intervals, the main shaft is rotationally installed on the vertical columns, and the photovoltaic panel is fixed to the main shaft; the adjusting structure is used for adjusting the angle of the photovoltaic panel so as to adapt to light irradiation at different time or seasons; the adjusting structure comprises a shaft sleeve fixed at the upper end of the stand column and a bearing located in the shaft sleeve, the main shaft is inserted and fixed in an inner ring of the bearing in the shaft sleeve, and the main shaft adjusts the angle of the photovoltaic panel through the driving mechanism. According to the utility model, the problem of low light energy utilization rate of the traditional fixed photovoltaic support is effectively solved, and the photovoltaic generating capacity is further obviously improved.

The utility model relates to the technical field of chemical processing, and discloses a deacidification reaction tower with an adjustable moving blade structure, which comprises a tank body, the top of the tank body is provided with a tank cover, the bottom of the inner wall of the tank cover is fixedly connected with a connecting pipe, the bottom of the inner wall of the connecting pipe is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a motor, and the top of the motor is fixedly connected with a movable blade. An output shaft of the motor is rotatably connected with a driving shaft, the top of the driving shaft is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a plurality of connecting columns, the outer walls of the connecting columns are rotatably connected with fan blades, and the outer wall of the rotating shaft is slidably connected with a movable pipe. In the deacidification reaction process, the gas inlet pipe is connected, gas enters the tank body through the gas inlet pipe, the feeding pipe is communicated, deacidification reactants are added into the feeding pipe, the reactants start to act after entering the annular pipe of the tank body, and the reactants are uniformly sprayed into the tank body through the spray head at the bottom of the annular pipe.

The utility model relates to the technical field of material processing, in particular to a construction waste regeneration machine-made sand preparation device. According to the technical scheme, the screening device comprises a bottom plate, a screening cavity and a screening plate, the screening cavity is formed in the bottom plate through supporting legs, a smashing assembly is arranged at a feeding opening in the top end of the screening cavity and used for smashing construction waste, the screening plate is rotationally arranged in the screening cavity, an adjusting assembly is arranged on the screening cavity, and the adjusting assembly is used for adjusting the screening cavity. The adjusting assembly is used for adjusting the inclination angle of the screen plate, and a backflow assembly is arranged on the bottom plate and used for guiding and flowing back the crushed particles which do not reach the standard in the screening cavity into the crushing assembly. Through cooperation of the structures, the screening structure can be adjusted, the screening efficiency is improved, meanwhile, sand grains which do not reach the standard are automatically conveyed back to the crushing rollers to be subjected to secondary crushing, and closed circulation is formed.

This utility model discloses a device for improving the embossing quality of coated mineral wool sound-absorbing panels, belonging to the field of embossing technology. It includes a base, a preheating box mounted on the base, a rotating shaft inside the preheating box with a conveyor belt, a hot air blower fixed to the top of the preheating box, and a blowing structure installed at the top of the preheating box's interior. Through the blowing structure, a first and second air guide plate are symmetrically arranged inside the air guide hood. The two air guide plates are connected by a connecting shaft and work with gears, racks, a fixed plate, a slide rail, a lifting rod, a servo motor, and an adjusting screw. The adjusting screw drives the lifting rod to move the two racks, thereby rotating the connecting shaft using the gears to change the tilt angle of the air guide plates, thus changing the size of the opening at the lower end of the air guide plates and adjusting the blowing area. The two racks and two gears are symmetrically arranged and can be adjusted synchronously in opposite directions, achieving synchronized adjustment.

This invention discloses a surface treatment device for welded seams in ship section closures. The device includes a main body with a weld grinding disc. Two surface grinding discs are located on either side of the weld grinding disc, and a coating grinding disc is located on the side of each surface grinding disc furthest from the weld grinding disc. As the main body moves along the welded section area of ​​the ship, the weld grinding disc faces the weld section, the coating grinding disc faces the coating on the ship wall, and the surface grinding disc faces the surface between the weld and the coating. The grinding areas of the weld grinding disc and the coating grinding disc partially cover the surface between the weld and the coating. The coating grinding disc is inclined, with the side closer to the coating higher than the side closer to the weld. After the coating grinding disc grinds the edge of the ship wall coating, the edge of the ship wall coating is sloped. This invention provides excellent surface treatment for the welded sections of a ship.

This utility model discloses a multi-stage stepped rice screening device, belonging to the field of screening devices. It includes a base frame, on which a first fixed rod and a second fixed rod are fixed. A first screening frame is rotatably connected to the first fixed rod, and a first screen is installed on the first screening frame. Vibrating plates are installed on the first and second screening frames, working in conjunction with a mounting assembly, a vibration assembly, and a vibrator. During the screening process, this creates a tumbling vibration, which not only disperses the material for uniform screening but also applies force to the material, preventing clogging of the screen mesh and ensuring normal screen operation and screening efficiency. The mounting assembly adopts a spliced ​​structure, allowing for quick disassembly to replace the support springs in the vibration assembly. A first connecting sleeve and a second connecting sleeve allow adjustment of the support plate's position, thereby changing the tilt angle of the corresponding screening frame.

This utility model discloses a rust-proof spraying device for the outer shell of a power distribution control cabinet, relating to the field of power distribution control cabinet outer shell processing technology. It includes a spraying box, with a supporting vertical plate fixedly installed on the rear side of the spraying box, and a top plate fixedly installed on the top of the supporting vertical plate. The control cabinet shell is housed inside the spraying box. A positioning unit is provided on the inner side of the supporting vertical plate, and a flipping unit is provided on the outer side of the supporting vertical plate. This utility model uses an electric telescopic rod to initiate telescopic movement, causing the connecting cylinder to extend and retract, thereby changing the tilt angle of the surrounding push-pull rods. This causes the contact plate to abut against the inner wall of the control cabinet shell, fixing its position. Rubber pads further increase the frictional force, promoting spraying stability. A servo motor drives a main gear to rotate a drive rod, which in turn drives a cross-shaped limit bracket, causing the control cabinet shell to rotate accordingly, facilitating all-around spraying and improving work efficiency.

The utility model discloses a kind of for powder unloading segmented unloading bin, belong to unloading equipment technical field, comprising: unloading bin body, for receiving the powder of unloading;Screw conveyor, be set below unloading bin body, the bottom end of unloading bin body is connected with the unloading pipe with solenoid valve, unloading pipe is communicated with screw conveyor by bellows;The outer periphery of unloading bin body is connected with lifting lug, lifting lug is rotatably connected with screw conveyor by pivot, the side surface of lifting lug is equipped with servo motor for the power supply of pivot;Two symmetrical winches are connected in the outer periphery of unloading bin body, the outer periphery of screw conveyor is fixedly connected with the steel wire rope of winch, the outer periphery of screw conveyor is provided with a plurality of unloading ports for segmented unloading, the inner wall of unloading port is rotatably connected with blocking plate. The segmented unloading bin for powder unloading, not only can rotate, adjust angle, but also can carry out the unloading of specific position.

The utility model relates to welding gun technical field provides a kind of welding gun for flexible welding, including mounting seat, the both sides of mounting seat top are all fixed with antiskid pad, the top of antiskid pad is all provided with gun body, and one end of gun body is fixed with metal bellows.The utility model is provided with adjusting structure, under the action of slide bar, the stability of limit seat when moving is enhanced, when limit seat and gear are mutually separated, mounting seat is rotated at this time, makes limit seat drive gun head to rotate by metal bellows, and then the direction of gun head changes, under the action of metal bellows, the inclination angle of gun head can be changed at will, when limit seat and gear are in contact, gear is in fixed state at this time under the limiting effect of limit seat, and then the direction of gun head is fixed, the function that the device is conveniently adjusted welding direction is realized, to improve the working efficiency of the flexible welding welding gun when using.

The utility model discloses a kind of low altitude unmanned aerial vehicle early warning devices of multi-path camera splicing, it includes: wide-angle camera and the fixing seat for its installation, the top of fixing seat one end is provided with two risers of symmetrical distribution, limiting frame is rotatably arranged between two risers, wide-angle camera is embedded in the inside monitoring unmanned aerial vehicle of limiting frame, and, the upper end surface of fixing seat is provided with for supporting the lifting plate of limiting frame, lifting plate is spliced and is composed of fixed plate and extension plate, wherein, fixed plate is rotatably installed in the upper end surface of fixing seat, extension plate is arranged in the inner chamber of fixed plate. The low altitude unmanned aerial vehicle early warning device presented in the application can directly install wide-angle camera in limiting frame, drive limiting frame to overturn by lifting plate, change the inclination angle of wide-angle camera, realize the adjustment of wide-angle camera shooting angle, avoid the trouble of needing repeatedly disassembling and adjusting the angle of fixed support, save time and effort, improve installation efficiency.

This utility model discloses a feeding blocking device for a blow molding machine feeder. The feeding blocking device is installed on the base of the feeder and includes a blocking base fixedly installed on the base. A blocking support is installed on the blocking base, and a blocking shaft is axially slidably installed on the blocking support. The blocking shaft is driven to extend and retract by a telescopic power device. The blocking shaft is inclined, and its free end is set as a pointed tip facing the outlet of the inclined preform slide to block the preforms at the outlet. This feeding blocking device has a simple structure and can actively block or release preforms in the slide, realizing preform feeding control.

The utility model discloses an adjustable stream inoculation flow device for valve body casting, which belongs to the technical field of casting equipment and comprises a base, a support plate is arranged above the base, a lifting component is arranged between the bottom of the support plate and the top of the base, and two groups of connecting plates are arranged at two ends of the top of the support plate. A discharging barrel is arranged between the two sets of connecting plates, two sets of pin shafts are arranged at one end of the surface of the discharging barrel, an adjusting assembly is arranged between the other end of the surface of the discharging barrel and the two sets of connecting plates, and a quantifying assembly is arranged at one end of the discharging barrel; the connecting plate, the pin shaft and the adjusting assembly are used in cooperation, the inclination angle of the discharging barrel can be changed, adding of inoculants can be conveniently controlled when molten iron is poured, the problems that angle adjustment of the discharging barrel is lacked, and the flow of stream inoculation is inconvenient to control are solved, and operation safety is improved.

This invention provides an assistive walking robot, comprising a chassis assembly, a lifting mechanism, an axillary support assembly, a seat support assembly, and a walking mechanism. The chassis assembly includes a chassis support frame and pulleys; the lifting mechanism includes a lifting frame; the axillary support assembly includes an axillary support member; the seat support assembly includes a hip support member, the distance between the hip support member and the axillary support member being adjustable; the walking mechanism includes a foot-wearing component, a linkage assembly, and a walking drive component. The linkage assembly includes a first link, a slider, and a second link. The slider is slidably connected to the chassis support frame. The two ends of the second link are rotatably connected to the first link and the slider via connecting shafts, respectively. The foot-wearing component is connected to the second link, and the foot-wearing component is lower than the axis of the connecting shaft. The walking drive component drives the first link to rotate. The first link, the slider, and the second link constitute a crank-slider mechanism. This assistive walking robot can also assist patients with lower limb paralysis in walking, and its use is not limited by location.